     (try
       (b-t/byte-copy! nonce K/cookie-nonce-minute-prefix)
       (b-t/byte-copy! nonce
-                      shared-specs/server-nonce-prefix-length
-                      shared-specs/server-nonce-suffix-length
+                      specs/server-nonce-prefix-length
+                      specs/server-nonce-suffix-length
                       hello-cookie)
       (crypto/secret-unbox dst dst K/server-cookie-length nonce (::state/minute-key cookie-cutter))
       true

  [shared-key nonce-suffix box nonce]
  (b-t/byte-copy! nonce K/initiate-nonce-prefix)
  (b-t/byte-copy! nonce
                  shared-specs/client-nonce-prefix-length
                  shared-specs/client-nonce-suffix-length
                  nonce-suffix)
  (try
    (let [plain-vector (crypto/open-after box 0 (count box) nonce shared-key)]

                        K/box-zero-bytes
                        K/hello-crypto-box-length
                        hello-cookie
                        specs/server-nonce-suffix-length)

        (try
          (crypto/secret-unbox dst
